backswim.dk

Records from scan: 2026-09-30 22:56:27 · 881ms total · last checked 2026-10-17 12:15 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

backswim.dk is a .dk domain served by 2 nameservers (ns1.azehosting.net, ns2.azehosting.net). It was registered on 12 September 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.201.240.150 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by backswim.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.azehosting.net	2a01:4f8:13b:3146::1 94.130.138.185	— ns1.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.azehosting.net	2a01:4f8:c17:5f0a::2 88.99.15.5	ns2.azehosting.net ns2.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.201.240.150	360s	re01.azehosting.net	AS24940	Hetzner Online GmbH	195.201.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	backswim.dk	195.201.240.150 2a01:4f8:231:c7::2	re01.azehosting.net re01.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 86ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:231:c7::2	14400s	re01.azehosting.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 342ms

TXT Record
v=spf1 ip4:195.201.240.150 include:spf.azehosting.net ip4:49.12.83.125 include:spf.resellerhotel.dk +a +mx +ip4:185.221.37.134 +ip4:195.201.243.87 +ip4:94.130.52.47 +ip4:138.201.239.158 +ip4:88.99.200.26 +include:relay.mailchannels.net +include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (backswim.dk)
~all (soft fail)	v=spf1 ip4:195.201.240.150 include:spf.azehosting.net ip4:49.12.83.125 include:spf.resellerhotel.dk +a +mx +ip4:185.221.37.134 +ip4:195.201.243.87 +ip4:94.130.52.47 +ip4:138.201.239.158 +ip4:88.99.200.26 +include:relay.mailchannels.net +include:relay.mailchannels.net ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-11 07:37:45

www CNAME	backswim.dk (all on backswim.dk) → 195.201.240.150 2a01:4f8:231:c7::2 (AS24940)
www vs bare domain	Same network backswim.dk: 195.201.240.150 2a01:4f8:231:c7::2 (AS24940) www.backswim.dk: 195.201.240.150 2a01:4f8:231:c7::2 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.backswim.dk	hJIjr4o3DbniGDbopNOwr1GJXFXr9skr2TRVOH-MnGE

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

95ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

83ms

Field	Value
Serial	2026092904
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-17 03:56:45

Field	Value
Registrar	Key-Systems GmbH
Registered	2008-09-12
Expires	2030-09-30 (1443d)

🔗 Same registrant#

8 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aegirdagmar.dk	Key-Systems GmbH
akses.dk	Key-Systems GmbH
forhelvede.dk	Key-Systems GmbH
mailkontoen.dk	Key-Systems GmbH
mailmachine.dk	Key-Systems GmbH
my-sec.dk	Key-Systems GmbH
strandvaerk.dk	Key-Systems GmbH
sunesmor.dk	Key-Systems GmbH

📋 WHOIS#

⏱️ Lookup Timing#

63ms

73ms

AAAA

86ms

TXT

342ms

CAA

86ms

HTTPS

85ms

TLSA

71ms

SOA

83ms

MTA-STS

85ms

DNSSEC

95ms

SRV

114ms

Total

881ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:56:27 shown	881ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 22:44:32	807ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 21:36:50	757ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 09:18:01	1262ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 08:47:18	9493ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 15:27:43	4921ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-09 02:41:15	1791ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 15:08:46	1479ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 22:30:47	2520ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:00:19	760ms	2 NS 1 A 1 MX	🔒 Secure